Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
25/04/2026, 01:53
General
- Target 2026-04-25_710b298923eb88c1782ef5fb91e3125a_cryptolocker_elex.exe
- Size 46KB
- Sample260425-cbb7dabw6t
- SHA256 95b141be2d7e0a440b9d9bd005e160c3deaf26882d157b1d2bc68a4397b8caa5
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 4 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-25_710b298923eb88c1782ef5fb91e3125a_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-25_710b298923eb88c1782ef5fb91e3125a_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
hasfj.exe
memory/3064-17-0x0000000008000000-0x000000000800A000-memory.dmp
memory/3064-26-0x0000000008000000-0x000000000800A000-memory.dmp
memory/3064-20-0x00000000020C0000-0x00000000020C6000-memory.dmp
memory/3064-27-0x0000000002270000-0x00000000022CF000-memory.dmp
memory/4416-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/4416-1-0x0000000002EF0000-0x0000000002EF6000-memory.dmp
memory/4416-2-0x0000000008000000-0x000000000800A000-memory.dmp
memory/4416-3-0x00000000031A0000-0x00000000031A6000-memory.dmp
memory/4416-18-0x00000000021D0000-0x000000000222F000-memory.dmp